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https://www.readbyqxmd.com/read/28430590/treatment-of-esophageal-cancer-with-radiation-therapy-a-pan-chinese-survey-of-radiation-oncologists
#1
Yun Zhang, Jing Liu, Wencheng Zhang, Weiye Deng, Jinbo Yue
Lots of controversies were found about the treatment in relation to radiation therapy (RT) for esophageal squamous cell carcinoma (ESCC). We designed a questionnaire of these controversies to do a pan-Chinese survey of radiation oncologists (ROs). For operable ESCC, 53% ROs chose surgery plus postoperative chemoradiotherapy (CRT), while 40% chose preoperative CRT plus surgery. For target volume of postoperative RT, most ROs (92%) would delineate tumor bed plus involved lymph nodes region before surgery. For definitive RT, most ROs (81%) would give patients higher RT dose to 60-65Gy...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430589/ier5-as-a-promising-predictive-marker-promotes-irradiation-induced-apoptosis-in-cervical-cancer-tissues-from-patients-undergoing-chemoradiotherapy
#2
Yang Liu, Ming Tian, Hui Zhao, Yue He, Fengshuang Li, Xiunan Li, Xinping Yu, Kuke Ding, Pingkun Zhou, Yumei Wu
PURPOSE: To define the role of immediate-early 5 (IER5) gene as a promising biomarker in predicting the radiosensitivity and prognosis of cervical cancer patients receiving cisplatin-based concurrent chemoradiotherapy (DDP-CCRT). RESULTS: Our investigations found that IER5 level was markedly elevated in cervical cancer patients after being treated with irradiation, which indicated IER5 was closely dose induced. By contrast, the correlation between IER5 and radiosensitivity cannot be confirmed by the present study...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427517/interim-18-fdg-pet-ct-during-radiochemotherapy-in-the-management-of-pelvic-malignancies-a-systematic-review
#3
REVIEW
Mahila Ferrari, Laura Lavinia Travaini, Delia Ciardo, Cristina Garibaldi, Laura Gilardi, Robert Glynne-Jones, Chiara Maria Grana, Barbara Alicja Jereczek-Fossa, Giulia Marvaso, Sara Ronchi, Maria Cristina Leonardi, Roberto Orecchia, Marta Cremonesi
(18)F-fluorodeoxyglucose PET/CT ((18)F-FDG-PET/CT) is widely applied in oncology for disease staging, assessment of therapy response, relapse diagnosis, follow-up and target volume delineation. In particular, it can detect early response during chemoradiotherapy (interim) because functional modifications usually precede morphological ones. This ability is crucial to the radiation oncologist for the management of patients, to avoid persisting with ineffective therapy - often leading toxicity - and to shift to potentially more effective alternatives...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28423530/patterns-of-failure-and-clinical-outcomes-of-definitive-radiotherapy-for-cervical-esophageal-cancer
#4
Lina Zhao, Yongchun Zhou, Yunfeng Mu, Guangjin Chai, Feng Xiao, Lina Tan, Steven H Lin, Mei Shi
PURPOSE: Because of the scarcity of cervical esophageal cancer (CEC), data for this disease entity is limited. We aim to evaluate the outcomes, prognostic factors and failure patterns of CEC treated by contemporary radiotherapy (RT). METHODS: We retrospectively analyzed 86 CEC patients consecutively treated between 2007 and 2015 by definitive RT with or without concurrent chemotherapy. RT was mainly delivered with Intensity Modulated Irradiation Therapy (IMRT) or Volumetric-Modulated Arc Therapy (VMAT)...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410686/relations-between-doses-cumulated-in-bone-marrow-and-dose-delivery-techniques-during-radiation-therapy-of-cervical-and-endometrial-cancer
#5
Agata Jodda, Bartosz Urbański, Tomasz Piotrowski, Julian Malicki
PURPOSE: To compare normal tissue complication probability (NTCP) and average doses in the bone marrow (BM), obtained for five different radiotherapy delivery and planning strategies of cervical and endometrial cancer. MATERIAL/METHODS: 50 patients were taken to analysis. For each case, 3 different dose delivery techniques were used: 4-field, X15MV, 3DCRT; 7-field, X6MV, IMRT; and 2-arc, X6MV, VMAT. Two optimization scenarios were used for the IMRT and VMAT plans generation: with (+) and without (-) the inclusion of the BM as an optimized structure...
April 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28396808/usefulness-of-stereotactic-radiotherapy-using-cyberknife-for-recurrent-lymph-node-metastasis-of-differentiated-thyroid-cancer
#6
Joji Kawabe, Shigeaki Higashiyama, Mitsuharu Sougawa, Atsushi Yoshida, Kohei Kotani, Susumu Shiomi
A woman in her 60s presented with a recurrent lymph node metastasis from a papillary thyroid carcinoma in the right parapharyngeal space. She had already undergone total thyroidectomy, five resections for cervical lymph node metastases, and right carotid rebuilding. Surgical resection of the current metastasis was impossible. (131)I-radioiodine therapy (RIT) with 3.7 GBq (131)I was not effective; therefore, stereotactic radiation therapy (SRT) using a CyberKnife radiotherapy system was scheduled. The prescription dose was 21 Gy, and a dose covering 95% of the planning target volume (PTV) in three fractions was administered...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/28395417/-dosimetry-verification-of-radioactive-seed-implantation-with-3d-printing-template-and-ct-guidance-for-paravertebral-retroperitoneal-malignant-tumor
#7
Z Ji, Y L Jiang, F X Guo, R Peng, H T Sun, J H Fan, J J Wang
Objective: To compare the dose distributions of postoperative plans with preoperative plans for seeds implantations of paravertebral/retroperitoneal tumors assisted by 3D printing guide template and CT guidance, explore the effects of the technology for seeds implantations in dosimetry level and provide data support for the optimization and standardization in seeds implantation. Methods: Between December 2015 and July 2016, a total of 10 patients with paravertebral/retroperitoneal tumors (12 lesions) received 3D printing template assist radioactive seeds implantations in department of radiation oncology of Peking University Third Hospital, and included in the study...
April 4, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28390533/applications-of-pet-mr-imaging-in-urogynecologic-and-genitourinary-cancers
#8
REVIEW
Jorge D Oldan, Shetal N Shah, Tracy Lynn Rose
Positron emission tomograph (PET)-magnetic resonance (MR) is a new modality combining PET and MR. In gynecologic cancers it can be used for staging of cervical and endometrial cancer, planning of radiation therapy in cervical cancer, assessing response to chemotherapy in ovarian cancer, and detection of recurrence in most gynecologic cancers. It is being explored for prostate cancer and other genitourinary cancers, but is still in experimental stages.
May 2017: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/28388623/fzuimagereg-a-toolbox-for-medical-image-registration-and-dose-fusion-in-cervical-cancer-radiotherapy
#9
Qinquan Gao, Shaohui Lin, Penggang Bai, Min Du, Xiaolei Ni, Dongzhong Ke, Tong Tong
The combination external-beam radiotherapy and high-dose-rate brachytherapy is a standard form of treatment for patients with locally advanced uterine cervical cancer. Personalized radiotherapy in cervical cancer requires efficient and accurate dose planning and assessment across these types of treatment. To achieve radiation dose assessment, accurate mapping of the dose distribution from HDR-BT onto EBRT is extremely important. However, few systems can achieve robust dose fusion and determine the accumulated dose distribution during the entire course of treatment...
2017: PloS One
https://www.readbyqxmd.com/read/28386336/celecoxib-enhances-the-radiosensitivity-of-hct116-cells-in-a-cox-2-independent-manner-by-up-regulating-bccip
#10
Xiao-Ting Xu, Wen-Tao Hu, Ju-Ying Zhou, Yu Tu
It has been reported that celecoxib, a cyclooxygenase-2 (COX-2)-selective nonsteroidal anti-inflammatory drug (NSAID), regulates the radiosensitivity of several cancer cells. BCCIP (BRCA2 and CDKN1A interacting protein) plays a critical role in maintaining the critical functions of p53 in tumor suppression and response to therapy. However, whether the effect of celecoxib on the radiosensitivity of colorectal cancer (CRC) cells is dependent on BCCIP is largely unclear. In this study, we found that celecoxib enhanced the radiosensitivity of HeLa (a human cervical carcinoma cell line), A549 (a human lung carcinoma cell line), and HCT116 cells (a human CRC cells line)...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28382802/major-clinical-research-advances-in-gynecologic-cancer-in-2016-10-year-special-edition
#11
REVIEW
Dong Hoon Suh, Miseon Kim, Kidong Kim, Hak Jae Kim, Kyung Hun Lee, Jae Weon Kim
In 2016, 13 topics were selected as major research advances in gynecologic oncology. For ovarian cancer, study results supporting previous ones regarding surgical preventive strategies were reported. There were several targeted agents that showed comparable responses in phase III trials, including niraparib, cediranib, and nintedanib. On the contrary to our expectations, dose-dense weekly chemotherapy regimen failed to prove superior survival outcomes compared with conventional triweekly regimen. Single-agent non-platinum treatment to prolong platinum-free-interval in patients with recurrent, partially platinum-sensitive ovarian cancer did not improve and even worsened overall survival (OS)...
May 2017: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/28381782/a-case-of-ileus-due-to-radiation-enteritis-19-years-after-radiotherapy
#12
Tomoyo Okumoto, Toshio Kuwai, Toshiki Yamaguchi, Sumio Iio, Hiroki Imagawa, Atsushi Yamaguchi, Hirotaka Kouno, Hiroshi Kohno
A 73-year-old female visited our hospital complaining of nausea and epigastric pain because of ileus. She had a history of two laparotomy procedures in her youth, interferon treatment for chronic hepatitis C, and radiation therapy for uterine cervical cancer 19 years ago. Transanal double-balloon enteroscopy demonstrated annular stenosis with ulceration of the anal side of the dilated small intestine. Therefore, surgical resection was performed, and late radiation enteritis was diagnosed on histopathological examination...
2017: Nihon Shokakibyo Gakkai Zasshi, the Japanese Journal of Gastro-enterology
https://www.readbyqxmd.com/read/28375481/dose-escalation-of-definitive-radiation-is-not-associated-with-improved-survival-for-cervical-esophageal-cancer-a-national-cancer-data-base-ncdb-analysis
#13
B De, R Rhome, J Doucette, M Buckstein
For cervical esophageal cancer (CEC), National Comprehensive Cancer Network guidelines support RT to 50-50.4 Gy with chemotherapy but acknowledge higher doses may be appropriate. This study uses the National Cancer Database (NCDB) to characterize RT practices and identify if a dose-response relationship exists for overall survival (OS) for definitive treatment of CEC. We queried the NCDB for patients diagnosed with Stage I-III CEC from 2004 to 2013, and selected patients receiving definitive RT with doses between 50 and 74 Gy...
April 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28372889/structure-based-deformable-image-registration-added-value-for-dose-accumulation-of-external-beam-radiotherapy-and-brachytherapy-in-cervical-cancer
#14
Laura E van Heerden, Antonetta C Houweling, Kees Koedooder, Zdenko van Kesteren, Niek van Wieringen, Coenraad R N Rasch, Bradley R Pieters, Arjan Bel
BACKGROUND AND PURPOSE: Structure-based deformable image registration (DIR) can be used to calculate accumulated brachytherapy (BT) and external-beam radiation therapy (EBRT) dose-volume histogram (DVH) parameters in cervical cancer. Since direct parameter addition does not take dose non-uniformity into account, the added value of DIR over addition methods was investigated for bladder and rectum. MATERIALS AND METHODS: For twelve patients (EBRT: 46Gy, EBRT+BT: D90 85-90GyEQD2 in equivalent dose in 2Gy fractions) the EBRT planning CT and BT planning MRI were registered using DIR...
March 31, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28363728/pelvic-radiotherapy-in-the-setting-of-rheumatoid-arthritis-refining-the-paradigm
#15
T Felefly, R Mazeron, A Huertas, C H Canova, P Maroun, M Kordahi, P Morice, É Deutsch, C Haie-Méder, C Chargari
PURPOSE: Conflicting results concerning the toxicity of radiotherapy in the setting of rheumatoid arthritis were reported in literature. This work describes the toxicity profiles of patients with rheumatoid arthritis undergoing pelvic radiotherapy for gynecologic malignancies at our institution. PATIENTS AND METHODS: Charts of patients with rheumatoid arthritis who underwent pelvic radiotherapy for cervical or endometrial cancer in a curative intent at the Gustave-Roussy Cancer Campus between 1990 and 2015 were reviewed for treatment-related toxicities...
March 28, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28355765/-liposuction-combined-with-lymphatico-venous-anastomosis-for-treatment-of-secondary-lymphedema-of-the-lower-limbs-a-report-of-49-cases
#16
K Chang, S Xia, Y G Sun, J F Xin, W B Shen
Objective: To study the clinical effects of liposuction combined with lymphatico-venous anastomosis for treatment of secondary lymphedema of the lower limbs. Methods: A retrospective analysis was performed for 49 patients who had undergone liposuction combined with lymphatico-venous anastomosis to treat secondary lymphedema of the lower limbs at Department of Lymph Surgery, Beijing Shijitan Hospital from November 2013 to February 2015.All patients were female aging from 31 to 70 years with median age of (52±10)years...
April 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28355688/-a-randomized-study-of-intensity-modulated-radiation-therapy-versus-three-dimensional-conformal-radiation-therapy-for-pelvic-radiation-in-patients-of-post-operative-treatment-with-gynecologic-malignant-tumor
#17
J Ni, Z M Yin, S H Yuan, N F Liu, L Li, X X Xu, H M Lou
Objective: To study the difference between intensity-modulated radiation therapy (IMRT) and three dimensional conformal radiation therapy (3D-CRT) for pelvic radiation of post-operative treatment with gynecologic malignant tumor. Methods: A prospective investigation study was conducted on 183 patients of post-operative patients with whole pelvic radiation therapy of cervical cancer or endometrial cancer in Zhejiang Cancer Hospital [IMRT group (n=85) and 3D-CRT group (n=98)] from Oct. 2015 to Oct. 2016. The two groups received same dose (45 Gy in 25 fractions)...
March 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28351583/candidate-apoptotic-and-dna-repair-gene-approach-confirms-involvement-of-ercc1-ercc5-tp53-and-mdm2-in-radiation-induced-toxicity-in-head-and-neck-cancer
#18
D Borchiellini, M C Etienne-Grimaldi, R J Bensadoun, K Benezery, O Dassonville, G Poissonnet, L Llorca, N Ebran, P Formento, Y Château, J Thariat, G Milano
INTRODUCTION: Single nucleotide polymorphisms (SNPs) of DNA repair and apoptosis genes have been associated with outcome in head and neck squamous cell carcinoma (HNSCC) patients receiving radiotherapy (RT). Our goal was to conduct a candidate gene study in HNSCC patients receiving RT or chemoRT. METHODS: 122 non-resectable HNSCC patients undergoing RT (N=38) or chemoRT (N=84) between 1992 and 2006 were retrospectively analyzed. ERCC1 Lys259Thr (rs735482), ERCC2 Lys751Gln (rs13181), ERCC5 His46His C>T (rs1047768), XRCC1 Arg399Gln (rs25487), TP53 Arg72Pro (rs1042522) and MDM2 309T>G (rs2279744) were analyzed on tumor DNA...
April 2017: Oral Oncology
https://www.readbyqxmd.com/read/28351328/effect-of-ebi3-on-radiation-induced-immunosuppression-of-cervical-cancer-hela-cells-by-regulating-treg-cells-through-pd-1-pd-l1-pathway
#19
Song-An Zhang, Hu-Er-Xi-Dan Niyazi, Wen Hong, Gu-Li-Xian Tuluwengjiang, Lei Zhang, Yang Zhang, Wei-Peng Su, Yong-Xing Bao
This study aimed to investigate the effect of EBI3 on radiation-induced immunosuppression of cervical cancer HeLa cells by regulating Treg cells through PD-1/PD-L1 signaling pathway. A total of 43 adult female Wistar rats were selected and injected with HeLa cells in the caudal vein to construct a rat model of cervical cancer. All model rats were randomly divided into the radiotherapy group ( n = 31) and the control group ( n = 12). The immunophenotype of Treg cells was detected by the flow cytometry...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28348969/kelussia-odoratissima-potentiates-cytotoxic-effects-of-radiation-in-hela-cancer-cell-line
#20
Azar Hosseini, Shima Saeidi Javadi, Azar Fani-Pakdel, Seyed Hadi Mousavi
OBJECTIVE: Cervical cancer is the second most common cause of death from cancer in women throughout the world. The aim of this study was to evaluate the cytotoxic activity of Kelussia odoratissima (K. odoratissima) extract associated with radiotherapy in cervical cancer cells (HeLa cell line). MATERIALS AND METHODS: Different concentration of the extract (25-500µg/ml) was tested in HeLa cell lines. Cell cytotoxicity of the extract and the effects of the extract on radiation (2Gy/min)-induced damages were assessed by MTT assay...
March 2017: Avicenna Journal of Phytomedicine
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